XSS in Advancedcustomfields Advanced Custom Fields
CVE-2023-30777
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins <= 6.1.5 versions.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.388 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.388 · newest: 0.388 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patchstack.com/database/vulnerability/advanced-custom-fields-pro/wordpress-adva… (Third Party Advisory, vdb-entry)
- patchstack.com/database/vulnerability/advanced-custom-fields/wordpress-advanced… (Third Party Advisory, vdb-entry)
- patchstack.com/articles/reflected-xss-in-advanced-custom-fields-plugins-affecti… (Exploit, technical-description, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-30777?
- CVE-2023-30777 is a high-severity vulnerability in Advancedcustomfields Advanced Custom Fields, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2023-05-10.
- How severe is CVE-2023-30777?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2023-30777 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.